#!/bin/bash

# Description: if 语句结构
# File: if_structre.sh |Time: 2022-06-22 11:09

if [ $# -lt 1 ];then
    echo "Usage: $0  45"
    exit
fi

if [ $1 > 50 ]; then
    echo "$1 is greater then 50"
elif [ $1 -gt 40 ]; then
    echo "$1 is greater then 40"
else
    echo "$1 is not greater then 40"
fi


